Index: economy.c
===================================================================
--- economy.c	(revision 5962)
+++ economy.c	(working copy)
@@ -1345,7 +1345,7 @@
 				profit += DeliverGoods(v->cargo_count, v->cargo_type, v->cargo_source, last_visited, v->cargo_days);
 				result |= 1;
 				v->cargo_count = 0;
-			} else if (u->current_order.flags & (OF_UNLOAD | OF_TRANSFER)) {
+			} else if ((u->current_order.flags & (OF_UNLOAD | OF_TRANSFER)) && !(u->current_order.flags & OF_FULL_LOAD)) {
 				/* unload goods and let it wait at the station */
 				st->time_since_unload = 0;
 
@@ -1440,6 +1440,9 @@
 
 
 	v = u;
+	
+	/* prevent unloading of goods that we picked up later on */
+	if ((v->current_order.flags & (OF_FULL_LOAD | OF_TRANSFER)) && !(v->current_order.flags & OF_UNLOAD)) v->current_order.flags |= (OF_FULL_LOAD | OF_TRANSFER);
 
 	if (v_profit_total > 0) {
 		ShowFeederIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, v_profit_total);